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Finding the Fourth Proportional to 73,517.39, 110,276.75 and 20,926.85

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Solution

The fourth proportional to 73,517.39, 110,276.75 and 20,926.85 is: 31,390.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,517.39 : 110,276.75 = 20,926.85 : x
  2. Step 2: Convert to fraction form
    73,517.39/110,276.75 = 20,926.85/x
  3. Step 3: Cross multiply
    73,517.39x = 110,276.75 × 20,926.85
  4. Step 4: Simplify right side
    73,517.39x = 2,307,745,005.74
  5. Step 5: Solve for x
    x = 2,307,745,005.74/73,517.39
  6. Step 6: Final answer
    x = 31,390.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.